IDEIntf: ShowForm: dock only forms with a creator, bug #17130

git-svn-id: trunk@28040 -

examples/anchordocking/design/registeranchordocking.pas

@@ -29,12 +29,12 @@
 
   ToDo:
     - save settings after options dialog
-    - when opening another project first tab in source editor shows wrong page name
     - close source editor and show again
     - show anchor editor => too small
     - qt: focus on close page
     - gtk2: focus on cancel completion box
     - gtk2: focus on execute completion box
+    - gtk2: restore fails for mainidebar
 }
 unit RegisterAnchorDocking;
 

ideintf/idewindowintf.pas

@@ -1453,7 +1453,8 @@ begin
   else
     Layout.Form:=AForm;
 
-  if IDEDockMaster<>nil then
+  if (IDEDockMaster<>nil) and (FindWithName(AForm.Name)<>nil) then
+    // show dockable if it has a creator
     IDEDockMaster.ShowForm(AForm,BringToFront)
   else if Assigned(OnShowForm) then
     OnShowForm(Self,AForm,BringToFront)